99375871 has 24 divisors (see below), whose sum is σ = 122586480. Its totient is φ = 80099712.

The previous prime is 99375869. The next prime is 99375877. The reversal of 99375871 is 17857399.

It is not a de Polignac number, because 99375871 - 2¹ = 99375869 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99375877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160755 + ... + 161371.

It is an arithmetic number, because the mean of its divisors is an integer number (5107770).

Almost surely, 2^99375871 is an apocalyptic number.

99375871 is a deficient number, since it is larger than the sum of its proper divisors (23210609).

99375871 is a wasteful number, since it uses less digits than its factorization.

99375871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 816 counting only the distinct ones).

The product of its digits is 476280, while the sum is 49.

The square root of 99375871 is about 9968.7447053277. The cubic root of 99375871 is about 463.1912173332.

The spelling of 99375871 in words is "ninety-nine million, three hundred seventy-five thousand, eight hundred seventy-one".